GB/T 41217-2021

Active

City metro and composite pipe gallery hot-rolling channel

城市地铁与综合管廊用热轧槽道

Standard Type
GBT
ICS
91.060
CCS
S05
Status
现行
Issue Date
2021-12-31
Implementation
2022-07-01
Responsible Dept
住房城乡建设部
Drafting Unit
N/A